23481381267 has 24 divisors (see below), whose sum is σ = 34504142400. Its totient is φ = 15383700528.

The previous prime is 23481381251. The next prime is 23481381271. The reversal of 23481381267 is 76218318432.

23481381267 is a `hidden beast` number, since 2 + 3 + 4 + 8 + 1 + 381 + 267 = 666.

It is not a de Polignac number, because 23481381267 - 2⁴ = 23481381251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23481381967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2128588 + ... + 2139590.

It is an arithmetic number, because the mean of its divisors is an integer number (1437672600).

Almost surely, 2^23481381267 is an apocalyptic number.

23481381267 is a deficient number, since it is larger than the sum of its proper divisors (11022761133).

23481381267 is a wasteful number, since it uses less digits than its factorization.

23481381267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15087 (or 15084 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

Adding to 23481381267 its reverse (76218318432), we get a palindrome (99699699699).

The spelling of 23481381267 in words is "twenty-three billion, four hundred eighty-one million, three hundred eighty-one thousand, two hundred sixty-seven".