123513464 has 16 divisors (see below), whose sum is σ = 232552320. Its totient is φ = 61499520.

The previous prime is 123513461. The next prime is 123513487. The reversal of 123513464 is 464315321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123513461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30104 + ... + 33959.

It is an arithmetic number, because the mean of its divisors is an integer number (14534520).

Almost surely, 2^123513464 is an apocalyptic number.

It is an amenable number.

123513464 is a deficient number, since it is larger than the sum of its proper divisors (109038856).

123513464 is a wasteful number, since it uses less digits than its factorization.

123513464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64310 (or 64306 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 123513464 is about 11113.6611429358. The cubic root of 123513464 is about 498.0100426463.

Adding to 123513464 its reverse (464315321), we get a palindrome (587828785).

The spelling of 123513464 in words is "one hundred twenty-three million, five hundred thirteen thousand, four hundred sixty-four".