1231420034023 has 8 divisors (see below), whose sum is σ = 1232209490400. Its totient is φ = 1230630749088.

The previous prime is 1231420033957. The next prime is 1231420034029. The reversal of 1231420034023 is 3204300241321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1231420034023 - 2²¹ = 1231417936871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231420034029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16276998 + ... + 16352476.

It is an arithmetic number, because the mean of its divisors is an integer number (154026186300).

Almost surely, 2^{1231420034023} is an apocalyptic number.

1231420034023 is a deficient number, since it is larger than the sum of its proper divisors (789456377).

1231420034023 is an equidigital number, since it uses as much as digits as its factorization.

1231420034023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85721.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1231420034023 its reverse (3204300241321), we get a palindrome (4435720275344).

The spelling of 1231420034023 in words is "one trillion, two hundred thirty-one billion, four hundred twenty million, thirty-four thousand, twenty-three".