623141983 has 2 divisors, whose sum is σ = 623141984. Its totient is φ = 623141982.

The previous prime is 623141969. The next prime is 623142001. The reversal of 623141983 is 389141326.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 623141983 - 2⁹ = 623141471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623141923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311570991 + 311570992.

It is an arithmetic number, because the mean of its divisors is an integer number (311570992).

Almost surely, 2^623141983 is an apocalyptic number.

623141983 is a deficient number, since it is larger than the sum of its proper divisors (1).

623141983 is an equidigital number, since it uses as much as digits as its factorization.

623141983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 623141983 is about 24962.8120010547. The cubic root of 623141983 is about 854.1398885449.

The spelling of 623141983 in words is "six hundred twenty-three million, one hundred forty-one thousand, nine hundred eighty-three".