1023345142425 has 36 divisors (see below), whose sum is σ = 1833742935024. Its totient is φ = 545540479200.

The previous prime is 1023345142387. The next prime is 1023345142427. The reversal of 1023345142425 is 5242415433201.

It is a happy number.

1023345142425 is a `hidden beast` number, since 102 + 3 + 34 + 514 + 2 + 4 + 2 + 5 = 666.

It is not a de Polignac number, because 1023345142425 - 2⁶ = 1023345142361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1023345142425.

It is not an unprimeable number, because it can be changed into a prime (1023345142427) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 509191 + ... + 1518540.

Almost surely, 2^{1023345142425} is an apocalyptic number.

1023345142425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1023345142425 is a deficient number, since it is larger than the sum of its proper divisors (810397792599).

1023345142425 is a wasteful number, since it uses less digits than its factorization.

1023345142425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029990 (or 2029982 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 1023345142425 in words is "one trillion, twenty-three billion, three hundred forty-five million, one hundred forty-two thousand, four hundred twenty-five".