123470439049 has 2 divisors, whose sum is σ = 123470439050. Its totient is φ = 123470439048.

The previous prime is 123470439019. The next prime is 123470439073. The reversal of 123470439049 is 940934074321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74806079049 + 48664360000 = 273507^2 + 220600^2 .

It is a cyclic number.

It is not a de Polignac number, because 123470439049 - 2¹⁷ = 123470307977 is a prime.

It is not a weakly prime, because it can be changed into another prime (123470439019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61735219524 + 61735219525.

It is an arithmetic number, because the mean of its divisors is an integer number (61735219525).

Almost surely, 2^123470439049 is an apocalyptic number.

It is an amenable number.

123470439049 is a deficient number, since it is larger than the sum of its proper divisors (1).

123470439049 is an equidigital number, since it uses as much as digits as its factorization.

123470439049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 123470439049 in words is "one hundred twenty-three billion, four hundred seventy million, four hundred thirty-nine thousand, forty-nine".