23212454400139 has 2 divisors, whose sum is σ = 23212454400140. Its totient is φ = 23212454400138.

The previous prime is 23212454400077. The next prime is 23212454400181. The reversal of 23212454400139 is 93100445421232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23212454400139 - 2¹⁵ = 23212454367371 is a prime.

It is not a weakly prime, because it can be changed into another prime (23212454400199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606227200069 + 11606227200070.

It is an arithmetic number, because the mean of its divisors is an integer number (11606227200070).

Almost surely, 2^{23212454400139} is an apocalyptic number.

23212454400139 is a deficient number, since it is larger than the sum of its proper divisors (1).

23212454400139 is an equidigital number, since it uses as much as digits as its factorization.

23212454400139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 23212454400139 in words is "twenty-three trillion, two hundred twelve billion, four hundred fifty-four million, four hundred thousand, one hundred thirty-nine".