340042023001 has 4 divisors (see below), whose sum is σ = 357938971600. Its totient is φ = 322145074404.

The previous prime is 340042022993. The next prime is 340042023007. The reversal of 340042023001 is 100320240043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 340042023001 - 2³ = 340042022993 is a prime.

It is a super-2 number, since 2×340042023001² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 17896948579 = 340042023001 / (3 + 4 + 0 + 0 + 4 + 2 + 0 + 2 + 3 + 0 + 0 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340042023001.

It is not an unprimeable number, because it can be changed into a prime (340042023007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8948474271 + ... + 8948474308.

It is an arithmetic number, because the mean of its divisors is an integer number (89484742900).

Almost surely, 2^340042023001 is an apocalyptic number.

It is an amenable number.

340042023001 is a deficient number, since it is larger than the sum of its proper divisors (17896948599).

340042023001 is a wasteful number, since it uses less digits than its factorization.

340042023001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17896948598.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 340042023001 its reverse (100320240043), we get a palindrome (440362263044).

The spelling of 340042023001 in words is "three hundred forty billion, forty-two million, twenty-three thousand, one".