23257998067 has 4 divisors (see below), whose sum is σ = 23259997800. Its totient is φ = 23255998336.

The previous prime is 23257998037. The next prime is 23257998119. The reversal of 23257998067 is 76089975232.

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

It is a cyclic number.

It is not a de Polignac number, because 23257998067 - 2¹⁵ = 23257965299 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23257998037) 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, 982318 + ... + 1005715.

It is an arithmetic number, because the mean of its divisors is an integer number (5814999450).

Almost surely, 2^23257998067 is an apocalyptic number.

23257998067 is a deficient number, since it is larger than the sum of its proper divisors (1999733).

23257998067 is a wasteful number, since it uses less digits than its factorization.

23257998067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999732.

The product of its (nonzero) digits is 11430720, while the sum is 58.

The spelling of 23257998067 in words is "twenty-three billion, two hundred fifty-seven million, nine hundred ninety-eight thousand, sixty-seven".