2415203123 has 2 divisors, whose sum is σ = 2415203124. Its totient is φ = 2415203122.

The previous prime is 2415203117. The next prime is 2415203137. The reversal of 2415203123 is 3213025142.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2415203123 is a prime.

It is a super-2 number, since 2×2415203123² = 11666412250697906258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2415209123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1207601561 + 1207601562.

It is an arithmetic number, because the mean of its divisors is an integer number (1207601562).

Almost surely, 2^2415203123 is an apocalyptic number.

2415203123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2415203123 is an equidigital number, since it uses as much as digits as its factorization.

2415203123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2415203123 is about 49144.7161249305. The cubic root of 2415203123 is about 1341.6870269988.

Adding to 2415203123 its reverse (3213025142), we get a palindrome (5628228265).

The spelling of 2415203123 in words is "two billion, four hundred fifteen million, two hundred three thousand, one hundred twenty-three".