123321464 has 16 divisors (see below), whose sum is σ = 264260400. Its totient is φ = 52852032.

The previous prime is 123321461. The next prime is 123321511. The reversal of 123321464 is 464123321.

It is a super-5 number, since 5×123321464⁵ (a number of 42 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123321461) 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, 1101029 + ... + 1101140.

It is an arithmetic number, because the mean of its divisors is an integer number (16516275).

Almost surely, 2^123321464 is an apocalyptic number.

123321464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123321464 is an abundant number, since it is smaller than the sum of its proper divisors (140938936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123321464 is a wasteful number, since it uses less digits than its factorization.

123321464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202182 (or 2202178 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 123321464 is about 11105.0197658536. The cubic root of 123321464 is about 497.7518588728.

Adding to 123321464 its reverse (464123321), we get a palindrome (587444785).

The spelling of 123321464 in words is "one hundred twenty-three million, three hundred twenty-one thousand, four hundred sixty-four".