61822923 has 4 divisors (see below), whose sum is σ = 82430568. Its totient is φ = 41215280.

The previous prime is 61822921. The next prime is 61822933. The reversal of 61822923 is 32922816.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61822923 - 2¹ = 61822921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61822921) 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, 10303818 + ... + 10303823.

It is an arithmetic number, because the mean of its divisors is an integer number (20607642).

Almost surely, 2^61822923 is an apocalyptic number.

61822923 is a deficient number, since it is larger than the sum of its proper divisors (20607645).

61822923 is a wasteful number, since it uses less digits than its factorization.

61822923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20607644.

The product of its digits is 10368, while the sum is 33.

The square root of 61822923 is about 7862.7554330527. The cubic root of 61822923 is about 395.4119997515.

The spelling of 61822923 in words is "sixty-one million, eight hundred twenty-two thousand, nine hundred twenty-three".