2123451032 has 16 divisors (see below), whose sum is σ = 3986392200. Its totient is φ = 1060413120.

The previous prime is 2123451019. The next prime is 2123451037. The reversal of 2123451032 is 2301543212.

It is a junction number, because it is equal to n+sod(n) for n = 2123450989 and 2123451007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123451037) 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, 157157 + ... + 170132.

Almost surely, 2^2123451032 is an apocalyptic number.

It is an amenable number.

2123451032 is a deficient number, since it is larger than the sum of its proper divisors (1862941168).

2123451032 is a wasteful number, since it uses less digits than its factorization.

2123451032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328106 (or 328102 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2123451032 is about 46080.9183068220. The cubic root of 2123451032 is about 1285.3283403467.

Adding to 2123451032 its reverse (2301543212), we get a palindrome (4424994244).

The spelling of 2123451032 in words is "two billion, one hundred twenty-three million, four hundred fifty-one thousand, thirty-two".