15202312423 has 2 divisors, whose sum is σ = 15202312424. Its totient is φ = 15202312422.

The previous prime is 15202312421. The next prime is 15202312451. The reversal of 15202312423 is 32421320251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15202312423 - 2¹ = 15202312421 is a prime.

It is a super-2 number, since 2×15202312423² (a number of 21 digits) contains 22 as substring.

Together with 15202312421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15202312421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7601156211 + 7601156212.

It is an arithmetic number, because the mean of its divisors is an integer number (7601156212).

Almost surely, 2^15202312423 is an apocalyptic number.

15202312423 is a deficient number, since it is larger than the sum of its proper divisors (1).

15202312423 is an equidigital number, since it uses as much as digits as its factorization.

15202312423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 15202312423 its reverse (32421320251), we get a palindrome (47623632674).

The spelling of 15202312423 in words is "fifteen billion, two hundred two million, three hundred twelve thousand, four hundred twenty-three".