1023421354245 has 48 divisors (see below), whose sum is σ = 1828345925952. Its totient is φ = 529244824320.

The previous prime is 1023421354229. The next prime is 1023421354289. The reversal of 1023421354245 is 5424531243201.

It is a happy number.

1023421354245 is a `hidden beast` number, since 1 + 0 + 23 + 42 + 1 + 354 + 245 = 666.

It is not a de Polignac number, because 1023421354245 - 2⁴ = 1023421354229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1400799 + ... + 2002268.

It is an arithmetic number, because the mean of its divisors is an integer number (38090540124).

Almost surely, 2^{1023421354245} is an apocalyptic number.

1023421354245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1023421354245 is a deficient number, since it is larger than the sum of its proper divisors (804924571707).

1023421354245 is a wasteful number, since it uses less digits than its factorization.

1023421354245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403282 (or 3403279 counting only the distinct ones).

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

Adding to 1023421354245 its reverse (5424531243201), we get a palindrome (6447952597446).

The spelling of 1023421354245 in words is "one trillion, twenty-three billion, four hundred twenty-one million, three hundred fifty-four thousand, two hundred forty-five".