23234012042 has 4 divisors (see below), whose sum is σ = 34851018066. Its totient is φ = 11617006020.

The previous prime is 23234011991. The next prime is 23234012057. The reversal of 23234012042 is 24021043232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23137756321 + 96255721 = 152111^2 + 9811^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23234011999 and 23234012017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5808503009 + ... + 5808503012.

Almost surely, 2^23234012042 is an apocalyptic number.

23234012042 is a deficient number, since it is larger than the sum of its proper divisors (11617006024).

23234012042 is a wasteful number, since it uses less digits than its factorization.

23234012042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11617006023.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 23234012042 its reverse (24021043232), we get a palindrome (47255055274).

The spelling of 23234012042 in words is "twenty-three billion, two hundred thirty-four million, twelve thousand, forty-two".