23534949387 has 8 divisors (see below), whose sum is σ = 32744277504. Its totient is φ = 15007793768.

The previous prime is 23534949377. The next prime is 23534949409. The reversal of 23534949387 is 78394943532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23534949387 - 2³⁴ = 6355080203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23534949377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170543043 + ... + 170543180.

It is an arithmetic number, because the mean of its divisors is an integer number (4093034688).

Almost surely, 2^23534949387 is an apocalyptic number.

23534949387 is a deficient number, since it is larger than the sum of its proper divisors (9209328117).

23534949387 is a wasteful number, since it uses less digits than its factorization.

23534949387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341086249.

The product of its digits is 19595520, while the sum is 57.

The spelling of 23534949387 in words is "twenty-three billion, five hundred thirty-four million, nine hundred forty-nine thousand, three hundred eighty-seven".