23232320129 has 4 divisors (see below), whose sum is σ = 24455073840. Its totient is φ = 22009566420.

The previous prime is 23232320117. The next prime is 23232320131. The reversal of 23232320129 is 92102323232.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 23232320129 - 2⁴ = 23232320113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23232320929) 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, 611376827 + ... + 611376864.

It is an arithmetic number, because the mean of its divisors is an integer number (6113768460).

Almost surely, 2^23232320129 is an apocalyptic number.

It is an amenable number.

23232320129 is a deficient number, since it is larger than the sum of its proper divisors (1222753711).

23232320129 is a wasteful number, since it uses less digits than its factorization.

23232320129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222753710.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 23232320129 in words is "twenty-three billion, two hundred thirty-two million, three hundred twenty thousand, one hundred twenty-nine".