15372280123 has 2 divisors, whose sum is σ = 15372280124. Its totient is φ = 15372280122.

The previous prime is 15372280111. The next prime is 15372280127. The reversal of 15372280123 is 32108227351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15372280123 - 2¹³ = 15372271931 is a prime.

It is not a weakly prime, because it can be changed into another prime (15372280127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7686140061 + 7686140062.

It is an arithmetic number, because the mean of its divisors is an integer number (7686140062).

Almost surely, 2^15372280123 is an apocalyptic number.

15372280123 is a deficient number, since it is larger than the sum of its proper divisors (1).

15372280123 is an equidigital number, since it uses as much as digits as its factorization.

15372280123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 15372280123 in words is "fifteen billion, three hundred seventy-two million, two hundred eighty thousand, one hundred twenty-three".