7513123 has 2 divisors, whose sum is σ = 7513124. Its totient is φ = 7513122.

The previous prime is 7513073. The next prime is 7513139. The reversal of 7513123 is 3213157.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7513123 - 2⁹ = 7512611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7513094 and 7513103.

It is not a weakly prime, because it can be changed into another prime (7513153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3756561 + 3756562.

It is an arithmetic number, because the mean of its divisors is an integer number (3756562).

Almost surely, 2^7513123 is an apocalyptic number.

7513123 is a deficient number, since it is larger than the sum of its proper divisors (1).

7513123 is an equidigital number, since it uses as much as digits as its factorization.

7513123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 630, while the sum is 22.

The square root of 7513123 is about 2741.0076614267. The cubic root of 7513123 is about 195.8574817764.

The spelling of 7513123 in words is "seven million, five hundred thirteen thousand, one hundred twenty-three".