1513738423 has 2 divisors, whose sum is σ = 1513738424. Its totient is φ = 1513738422.

The previous prime is 1513738403. The next prime is 1513738427. The reversal of 1513738423 is 3248373151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1513738423 - 2²⁹ = 976867511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1513738427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756869211 + 756869212.

It is an arithmetic number, because the mean of its divisors is an integer number (756869212).

Almost surely, 2^1513738423 is an apocalyptic number.

1513738423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513738423 is an equidigital number, since it uses as much as digits as its factorization.

1513738423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 1513738423 is about 38906.7914765533. The cubic root of 1513738423 is about 1148.1984199659.

It can be divided in two parts, 1513 and 738423, that added together give a triangular number (739936 = T₁₂₁₆).

The spelling of 1513738423 in words is "one billion, five hundred thirteen million, seven hundred thirty-eight thousand, four hundred twenty-three".