1023455303455 has 16 divisors (see below), whose sum is σ = 1322684737920. Its totient is φ = 755744905728.

The previous prime is 1023455303449. The next prime is 1023455303489. The reversal of 1023455303455 is 5543035543201.

It is a cyclic number.

It is not a de Polignac number, because 1023455303455 - 2⁷ = 1023455303327 is a prime.

It is a super-2 number, since 2×1023455303455² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966759 + ... + 1726711.

It is an arithmetic number, because the mean of its divisors is an integer number (82667796120).

Almost surely, 2^{1023455303455} is an apocalyptic number.

1023455303455 is a deficient number, since it is larger than the sum of its proper divisors (299229434465).

1023455303455 is a wasteful number, since it uses less digits than its factorization.

1023455303455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780690.

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 1023455303455 in words is "one trillion, twenty-three billion, four hundred fifty-five million, three hundred three thousand, four hundred fifty-five".