61337923 has 2 divisors, whose sum is σ = 61337924. Its totient is φ = 61337922.

The previous prime is 61337873. The next prime is 61337953. The reversal of 61337923 is 32973316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61337923 - 2¹³ = 61329731 is a prime.

It is not a weakly prime, because it can be changed into another prime (61337953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30668961 + 30668962.

It is an arithmetic number, because the mean of its divisors is an integer number (30668962).

Almost surely, 2^61337923 is an apocalyptic number.

61337923 is a deficient number, since it is larger than the sum of its proper divisors (1).

61337923 is an equidigital number, since it uses as much as digits as its factorization.

61337923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 34.

The square root of 61337923 is about 7831.8531012781. The cubic root of 61337923 is about 394.3752833902.

The spelling of 61337923 in words is "sixty-one million, three hundred thirty-seven thousand, nine hundred twenty-three".