102453043553 has 8 divisors (see below), whose sum is σ = 117133248960. Its totient is φ = 87783852240.

The previous prime is 102453043457. The next prime is 102453043573. The reversal of 102453043553 is 355340354201.

It is a happy number.

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

It is not a de Polignac number, because 102453043553 - 2¹² = 102453039457 is a prime.

It is a super-2 number, since 2×102453043553² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102453043573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2733578 + ... + 2770803.

It is an arithmetic number, because the mean of its divisors is an integer number (14641656120).

Almost surely, 2^102453043553 is an apocalyptic number.

It is an amenable number.

102453043553 is a deficient number, since it is larger than the sum of its proper divisors (14680205407).

102453043553 is an equidigital number, since it uses as much as digits as its factorization.

102453043553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507047.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 102453043553 its reverse (355340354201), we get a palindrome (457793397754).

The spelling of 102453043553 in words is "one hundred two billion, four hundred fifty-three million, forty-three thousand, five hundred fifty-three".