61423307 has 32 divisors (see below), whose sum is σ = 72990720. Its totient is φ = 51156000.

The previous prime is 61423301. The next prime is 61423319. The reversal of 61423307 is 70332416.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61423307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61423301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 865082 + ... + 865152.

It is an arithmetic number, because the mean of its divisors is an integer number (2280960).

Almost surely, 2^61423307 is an apocalyptic number.

61423307 is a deficient number, since it is larger than the sum of its proper divisors (11567413).

61423307 is a wasteful number, since it uses less digits than its factorization.

61423307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 61423307 is about 7837.3022782077. The cubic root of 61423307 is about 394.5581921297.

It can be divided in two parts, 6142 and 3307, that added together give a palindrome (9449).

The spelling of 61423307 in words is "sixty-one million, four hundred twenty-three thousand, three hundred seven".