22123402412351 has 2 divisors, whose sum is σ = 22123402412352. Its totient is φ = 22123402412350.

The previous prime is 22123402412303. The next prime is 22123402412383. The reversal of 22123402412351 is 15321420432122.

It is an a-pointer prime, because the next prime (22123402412383) can be obtained adding 22123402412351 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22123402412351 - 2³⁰ = 22122328670527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22123402412051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061701206175 + 11061701206176.

It is an arithmetic number, because the mean of its divisors is an integer number (11061701206176).

Almost surely, 2^{22123402412351} is an apocalyptic number.

22123402412351 is a deficient number, since it is larger than the sum of its proper divisors (1).

22123402412351 is an equidigital number, since it uses as much as digits as its factorization.

22123402412351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 22123402412351 its reverse (15321420432122), we get a palindrome (37444822844473).

The spelling of 22123402412351 in words is "twenty-two trillion, one hundred twenty-three billion, four hundred two million, four hundred twelve thousand, three hundred fifty-one".