2123950407 has 8 divisors (see below), whose sum is σ = 2842158576. Its totient is φ = 1410854592.

The previous prime is 2123950393. The next prime is 2123950421. The reversal of 2123950407 is 7040593212.

It is an interprime number because it is at equal distance from previous prime (2123950393) and next prime (2123950421).

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

It is not a de Polignac number, because 2123950407 - 2¹² = 2123946311 is a prime.

It is a super-2 number, since 2×2123950407² = 9022330662790931298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123950427) 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, 1277118 + ... + 1278779.

It is an arithmetic number, because the mean of its divisors is an integer number (355269822).

Almost surely, 2^2123950407 is an apocalyptic number.

2123950407 is a deficient number, since it is larger than the sum of its proper divisors (718208169).

2123950407 is a wasteful number, since it uses less digits than its factorization.

2123950407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556177.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2123950407 is about 46086.3364458491. The cubic root of 2123950407 is about 1285.4290899474.

The spelling of 2123950407 in words is "two billion, one hundred twenty-three million, nine hundred fifty thousand, four hundred seven".