121650023 has 8 divisors (see below), whose sum is σ = 133399056. Its totient is φ = 110016000.

The previous prime is 121650019. The next prime is 121650031. The reversal of 121650023 is 320056121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121650023 - 2² = 121650019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121649977 and 121650004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121650073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26528 + ... + 30773.

It is an arithmetic number, because the mean of its divisors is an integer number (16674882).

Almost surely, 2^121650023 is an apocalyptic number.

121650023 is a deficient number, since it is larger than the sum of its proper divisors (11749033).

121650023 is a wasteful number, since it uses less digits than its factorization.

121650023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57505.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 121650023 is about 11029.5069246091. The cubic root of 121650023 is about 495.4928574108.

The spelling of 121650023 in words is "one hundred twenty-one million, six hundred fifty thousand, twenty-three".