123153703 has 4 divisors (see below), whose sum is σ = 123194088. Its totient is φ = 123113320.

The previous prime is 123153697. The next prime is 123153713. The reversal of 123153703 is 307351321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 307351321 = 199 ⋅1544479.

It is a cyclic number.

It is not a de Polignac number, because 123153703 - 2⁵ = 123153671 is a prime.

It is a super-2 number, since 2×123153703² = 30333669125224418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123153713) 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, 15208 + ... + 21853.

It is an arithmetic number, because the mean of its divisors is an integer number (30798522).

Almost surely, 2^123153703 is an apocalyptic number.

123153703 is a deficient number, since it is larger than the sum of its proper divisors (40385).

123153703 is an equidigital number, since it uses as much as digits as its factorization.

123153703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40384.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 123153703 is about 11097.4638093575. The cubic root of 123153703 is about 497.5260499983.

The spelling of 123153703 in words is "one hundred twenty-three million, one hundred fifty-three thousand, seven hundred three".