13423025450 has 12 divisors (see below), whose sum is σ = 24966827430. Its totient is φ = 5369210160.

The previous prime is 13423025449. The next prime is 13423025467. The reversal of 13423025450 is 5452032431.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7755796489 + 5667228961 = 88067^2 + 75281^2 .

It is a super-2 number, since 2×13423025450² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134230205 + ... + 134230304.

Almost surely, 2^13423025450 is an apocalyptic number.

13423025450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13423025450 is a deficient number, since it is larger than the sum of its proper divisors (11543801980).

13423025450 is a wasteful number, since it uses less digits than its factorization.

13423025450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268460521 (or 268460516 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 13423025450 its reverse (5452032431), we get a palindrome (18875057881).

The spelling of 13423025450 in words is "thirteen billion, four hundred twenty-three million, twenty-five thousand, four hundred fifty".