123481153 has 4 divisors (see below), whose sum is σ = 127464448. Its totient is φ = 119497860.

The previous prime is 123481147. The next prime is 123481177. The reversal of 123481153 is 351184321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123481153 - 2⁹ = 123480641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123481123) 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, 1991601 + ... + 1991662.

It is an arithmetic number, because the mean of its divisors is an integer number (31866112).

Almost surely, 2^123481153 is an apocalyptic number.

It is an amenable number.

123481153 is a deficient number, since it is larger than the sum of its proper divisors (3983295).

123481153 is an equidigital number, since it uses as much as digits as its factorization.

123481153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3983294.

The product of its digits is 2880, while the sum is 28.

The square root of 123481153 is about 11112.2073864737. The cubic root of 123481153 is about 497.9666125474.

The spelling of 123481153 in words is "one hundred twenty-three million, four hundred eighty-one thousand, one hundred fifty-three".