32453223478 has 16 divisors (see below), whose sum is σ = 52914390480. Its totient is φ = 14838424416.

The previous prime is 32453223469. The next prime is 32453223479. The reversal of 32453223478 is 87432235423.

It is a super-2 number, since 2×32453223478² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32453223479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5829933 + ... + 5835496.

It is an arithmetic number, because the mean of its divisors is an integer number (3307149405).

Almost surely, 2^32453223478 is an apocalyptic number.

32453223478 is a deficient number, since it is larger than the sum of its proper divisors (20461167002).

32453223478 is a wasteful number, since it uses less digits than its factorization.

32453223478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11665551.

The product of its digits is 967680, while the sum is 43.

The spelling of 32453223478 in words is "thirty-two billion, four hundred fifty-three million, two hundred twenty-three thousand, four hundred seventy-eight".