63023121 has 12 divisors (see below), whose sum is σ = 104038272. Its totient is φ = 36013176.

The previous prime is 63023117. The next prime is 63023123. The reversal of 63023121 is 12132036.

63023121 is a `hidden beast` number, since 630 + 2 + 31 + 2 + 1 = 666.

It is not a de Polignac number, because 63023121 - 2² = 63023117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63023094 and 63023103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63023123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 500121 + ... + 500246.

It is an arithmetic number, because the mean of its divisors is an integer number (8669856).

Almost surely, 2^63023121 is an apocalyptic number.

It is an amenable number.

63023121 is a deficient number, since it is larger than the sum of its proper divisors (41015151).

63023121 is a wasteful number, since it uses less digits than its factorization.

63023121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000380 (or 1000377 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 63023121 is about 7938.7102856824. The cubic root of 63023121 is about 397.9543919692.

Adding to 63023121 its reverse (12132036), we get a palindrome (75155157).

The spelling of 63023121 in words is "sixty-three million, twenty-three thousand, one hundred twenty-one".