123720883 has 16 divisors (see below), whose sum is σ = 153903456. Its totient is φ = 97712640.

The previous prime is 123720869. The next prime is 123720893. The reversal of 123720883 is 388027321.

It is a cyclic number.

It is not a de Polignac number, because 123720883 - 2¹⁷ = 123589811 is a prime.

It is a super-3 number, since 3×123720883³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123720833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23016 + ... + 27877.

It is an arithmetic number, because the mean of its divisors is an integer number (9618966).

Almost surely, 2^123720883 is an apocalyptic number.

123720883 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123720883 is a deficient number, since it is larger than the sum of its proper divisors (30182573).

123720883 is a wasteful number, since it uses less digits than its factorization.

123720883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50934.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 123720883 is about 11122.9889418267. The cubic root of 123720883 is about 498.2886599800.

The spelling of 123720883 in words is "one hundred twenty-three million, seven hundred twenty thousand, eight hundred eighty-three".