1098023523 has 8 divisors (see below), whose sum is σ = 1550150928. Its totient is φ = 688955904.

The previous prime is 1098023477. The next prime is 1098023543. The reversal of 1098023523 is 3253208901.

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

It is not a de Polignac number, because 1098023523 - 2⁹ = 1098023011 is a prime.

It is a super-2 number, since 2×1098023523² = 2411311314122663058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1098023543) 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, 10764886 + ... + 10764987.

It is an arithmetic number, because the mean of its divisors is an integer number (193768866).

Almost surely, 2^1098023523 is an apocalyptic number.

1098023523 is a deficient number, since it is larger than the sum of its proper divisors (452127405).

1098023523 is a wasteful number, since it uses less digits than its factorization.

1098023523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21529893.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1098023523 is about 33136.4379950531. The cubic root of 1098023523 is about 1031.6614787547.

The spelling of 1098023523 in words is "one billion, ninety-eight million, twenty-three thousand, five hundred twenty-three".