123242510121293 has 2 divisors, whose sum is σ = 123242510121294. Its totient is φ = 123242510121292.

The previous prime is 123242510121281. The next prime is 123242510121319. The reversal of 123242510121293 is 392121015242321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112942948561444 + 10299561559849 = 10627462^2 + 3209293^2 .

It is a cyclic number.

It is not a de Polignac number, because 123242510121293 - 2⁶ = 123242510121229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123242510121893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61621255060646 + 61621255060647.

It is an arithmetic number, because the mean of its divisors is an integer number (61621255060647).

Almost surely, 2^{123242510121293} is an apocalyptic number.

It is an amenable number.

123242510121293 is a deficient number, since it is larger than the sum of its proper divisors (1).

123242510121293 is an equidigital number, since it uses as much as digits as its factorization.

123242510121293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 123242510121293 in words is "one hundred twenty-three trillion, two hundred forty-two billion, five hundred ten million, one hundred twenty-one thousand, two hundred ninety-three".