23387238333887 has 8 divisors (see below), whose sum is σ = 23618897453952. Its totient is φ = 23155581220000.

The previous prime is 23387238333883. The next prime is 23387238333913. The reversal of 23387238333887 is 78833383278332.

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 23387238333887 - 2² = 23387238333883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23387238333883) 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, 36067637 + ... + 36710337.

It is an arithmetic number, because the mean of its divisors is an integer number (2952362181744).

Almost surely, 2^{23387238333887} is an apocalyptic number.

23387238333887 is a deficient number, since it is larger than the sum of its proper divisors (231659120065).

23387238333887 is a wasteful number, since it uses less digits than its factorization.

23387238333887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003089.

The product of its digits is 585252864, while the sum is 68.

The spelling of 23387238333887 in words is "twenty-three trillion, three hundred eighty-seven billion, two hundred thirty-eight million, three hundred thirty-three thousand, eight hundred eighty-seven".