23231152534 has 4 divisors (see below), whose sum is σ = 34846728804. Its totient is φ = 11615576266.

The previous prime is 23231152499. The next prime is 23231152559. The reversal of 23231152534 is 43525113232.

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

It is a junction number, because it is equal to n+sod(n) for n = 23231152496 and 23231152505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5807788132 + ... + 5807788135.

It is an arithmetic number, because the mean of its divisors is an integer number (8711682201).

Almost surely, 2^23231152534 is an apocalyptic number.

23231152534 is a deficient number, since it is larger than the sum of its proper divisors (11615576270).

23231152534 is a wasteful number, since it uses less digits than its factorization.

23231152534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11615576269.

The product of its digits is 21600, while the sum is 31.

Adding to 23231152534 its reverse (43525113232), we get a palindrome (66756265766).

The spelling of 23231152534 in words is "twenty-three billion, two hundred thirty-one million, one hundred fifty-two thousand, five hundred thirty-four".