23400422452155 has 16 divisors (see below), whose sum is σ = 42789343912704. Its totient is φ = 10697335978080.

The previous prime is 23400422452153. The next prime is 23400422452157. The reversal of 23400422452155 is 55125422400432.

It is an interprime number because it is at equal distance from previous prime (23400422452153) and next prime (23400422452157).

It is not a de Polignac number, because 23400422452155 - 2¹ = 23400422452153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23400422452153) 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, 111430583001 + ... + 111430583210.

It is an arithmetic number, because the mean of its divisors is an integer number (2674333994544).

Almost surely, 2^{23400422452155} is an apocalyptic number.

23400422452155 is a deficient number, since it is larger than the sum of its proper divisors (19388921460549).

23400422452155 is a wasteful number, since it uses less digits than its factorization.

23400422452155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222861166226.

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 23400422452155 its reverse (55125422400432), we get a palindrome (78525844852587).

The spelling of 23400422452155 in words is "twenty-three trillion, four hundred billion, four hundred twenty-two million, four hundred fifty-two thousand, one hundred fifty-five".