1012423057478 has 8 divisors (see below), whose sum is σ = 1735582384272. Its totient is φ = 433895596056.

The previous prime is 1012423057441. The next prime is 1012423057487. The reversal of 1012423057478 is 8747503242101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36157966325 + ... + 36157966352.

It is an arithmetic number, because the mean of its divisors is an integer number (216947798034).

Almost surely, 2^{1012423057478} is an apocalyptic number.

1012423057478 is a deficient number, since it is larger than the sum of its proper divisors (723159326794).

1012423057478 is an equidigital number, since it uses as much as digits as its factorization.

1012423057478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72315932686.

The product of its (nonzero) digits is 376320, while the sum is 44.

Adding to 1012423057478 its reverse (8747503242101), we get a palindrome (9759926299579).

The spelling of 1012423057478 in words is "one trillion, twelve billion, four hundred twenty-three million, fifty-seven thousand, four hundred seventy-eight".