23533313651 has 4 divisors (see below), whose sum is σ = 23535403704. Its totient is φ = 23531223600.

The previous prime is 23533313603. The next prime is 23533313653. The reversal of 23533313651 is 15631333532.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23533313651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23533313653) 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, 1028045 + ... + 1050686.

It is an arithmetic number, because the mean of its divisors is an integer number (5883850926).

Almost surely, 2^23533313651 is an apocalyptic number.

23533313651 is a deficient number, since it is larger than the sum of its proper divisors (2090053).

23533313651 is a wasteful number, since it uses less digits than its factorization.

23533313651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090052.

The product of its digits is 72900, while the sum is 35.

The spelling of 23533313651 in words is "twenty-three billion, five hundred thirty-three million, three hundred thirteen thousand, six hundred fifty-one".