121763923 has 2 divisors, whose sum is σ = 121763924. Its totient is φ = 121763922.

The previous prime is 121763903. The next prime is 121763947. The reversal of 121763923 is 329367121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121763923 - 2¹³ = 121755731 is a prime.

It is equal to p_6936361 and since 121763923 and 6936361 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (121763903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60881961 + 60881962.

It is an arithmetic number, because the mean of its divisors is an integer number (60881962).

Almost surely, 2^121763923 is an apocalyptic number.

121763923 is a deficient number, since it is larger than the sum of its proper divisors (1).

121763923 is an equidigital number, since it uses as much as digits as its factorization.

121763923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 34.

The square root of 121763923 is about 11034.6691386738. The cubic root of 121763923 is about 495.6474512489.

The spelling of 121763923 in words is "one hundred twenty-one million, seven hundred sixty-three thousand, nine hundred twenty-three".