23844478325155 has 16 divisors (see below), whose sum is σ = 28804943464704. Its totient is φ = 18948287726560.

The previous prime is 23844478325153. The next prime is 23844478325219. The reversal of 23844478325155 is 55152387444832.

It is not a de Polignac number, because 23844478325155 - 2¹ = 23844478325153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23844478325093 and 23844478325102.

It is not an unprimeable number, because it can be changed into a prime (23844478325153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25671481 + ... + 26584090.

It is an arithmetic number, because the mean of its divisors is an integer number (1800308966544).

Almost surely, 2^{23844478325155} is an apocalyptic number.

23844478325155 is a deficient number, since it is larger than the sum of its proper divisors (4960465139549).

23844478325155 is a wasteful number, since it uses less digits than its factorization.

23844478325155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52256186.

The product of its digits is 129024000, while the sum is 61.

The spelling of 23844478325155 in words is "twenty-three trillion, eight hundred forty-four billion, four hundred seventy-eight million, three hundred twenty-five thousand, one hundred fifty-five".