23042040140421 has 48 divisors (see below), whose sum is σ = 36050367762240. Its totient is φ = 14132470982400.

The previous prime is 23042040140363. The next prime is 23042040140429. The reversal of 23042040140421 is 12404104024032.

23042040140421 is a `hidden beast` number, since 2 + 30 + 4 + 204 + 0 + 1 + 4 + 0 + 421 = 666.

It is not a de Polignac number, because 23042040140421 - 2⁴³ = 14245947118213 is a prime.

It is a super-2 number, since 2×23042040140421² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23042040140429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 172680 + ... + 6790721.

It is an arithmetic number, because the mean of its divisors is an integer number (751049328380).

Almost surely, 2^{23042040140421} is an apocalyptic number.

It is an amenable number.

23042040140421 is a deficient number, since it is larger than the sum of its proper divisors (13008327621819).

23042040140421 is a wasteful number, since it uses less digits than its factorization.

23042040140421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6963986 (or 6963983 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 23042040140421 its reverse (12404104024032), we get a palindrome (35446144164453).

The spelling of 23042040140421 in words is "twenty-three trillion, forty-two billion, forty million, one hundred forty thousand, four hundred twenty-one".